Welding helmet



FIG. 1 is a top, front, right side perspective view of a welding helmetshowing my new design;

FIG. 2 is a front elevational view of the welding helmet shown in FIG.1;

FIG. 3 is a rear elevational view of the welding helmet shown in FIG. 1;

FIG. 4 is a left elevational side view of the welding helmet shown inFIG. 1;

FIG. 5 is a right elevational side view of the welding helmet shown inFIG. 1;

FIG. 6 is a top plan view of the welding helmet shown in FIG. 1; and,

FIG. 7 is a bottom plan view of the welding helmet shown in FIG. 1.

The broken lines shown in the drawings represent portions of the weldinghelmet that form no part of the claimed design.

CLAIM The ornamental design for a welding helmet, as shown anddescribed.